sə̇ˈrärjəˌrīt noun
( -s )
Etymology: French kérargyre cerargyrite (from Greek keras horn + argyros silver), translation of Swedish hornsilver + English -ite — more at cerebral , argent
1. : a white to pale-yellow or gray mineral consisting of silver chloride AgCl and darkening on exposure to light
2. : a group of isomorphous silver halides that includes mainly cerargyrite, bromyrite, and embolite